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2026-03-20 - 22:41
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Fri Mar 20, 2026 12:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2437213876,6sleep10-21swapper/107:08:201
2409211099,8sleep30-21swapper/307:07:583
23962110100,7sleep00-21swapper/007:07:470
2313210795,7sleep20-21swapper/207:06:432
107232730,0sleep10-21swapper/109:10:131
153002680,0sleep00-21swapper/008:45:130
44412640,0sleep30-21swapper/307:10:173
253262640,1sleep30-21swapper/310:45:223
115072620,0sleep30-21swapper/310:05:213
24442600,1sleep00-21swapper/010:25:210
219012580,0sleep30-21swapper/311:40:173
307572570,1sleep30-21swapper/311:50:173
255002530,0sleep10-21swapper/111:15:191
274799284,18cyclictest0-21swapper/208:05:192
274799280,27cyclictest0-21swapper/211:37:572
274499280,27cyclictest0-21swapper/110:18:201
274499280,27cyclictest0-21swapper/108:34:221
274799271,20cyclictest0-21swapper/212:00:092
274799270,26cyclictest0-21swapper/210:14:332
274799270,26cyclictest0-21swapper/209:40:232
274799270,26cyclictest0-21swapper/208:28:312
274799270,25cyclictest0-21swapper/212:10:162
274499270,26cyclictest0-21swapper/112:08:461
274499270,26cyclictest0-21swapper/111:55:431
274499270,26cyclictest0-21swapper/110:35:051
274499270,26cyclictest0-21swapper/110:23:421
274499270,26cyclictest0-21swapper/110:00:261
274499270,26cyclictest0-21swapper/108:48:041
274499270,26cyclictest0-21swapper/108:43:381
274799261,8cyclictest0-21swapper/211:55:202
274799260,25cyclictest0-21swapper/210:31:352
274799260,25cyclictest0-21swapper/207:55:192
274499260,26cyclictest0-21swapper/109:58:391
274499260,25cyclictest0-21swapper/109:03:251
274499260,25cyclictest0-21swapper/108:53:131
274499260,25cyclictest0-21swapper/108:07:551
2747992518,7cyclictest0-21swapper/211:14:162
2747992517,7cyclictest0-21swapper/207:12:092
2744992522,3cyclictest0-21swapper/109:19:031
2744992518,7cyclictest0-21swapper/107:17:071
274499250,25cyclictest0-21swapper/110:52:231
274499250,24cyclictest0-21swapper/111:05:211
274499250,24cyclictest0-21swapper/109:34:141
274499250,24cyclictest0-21swapper/109:21:471
274799240,23cyclictest0-21swapper/207:50:092
2744992420,3cyclictest0-21swapper/111:52:581
274499240,23cyclictest0-21swapper/112:12:091
274499240,23cyclictest0-21swapper/110:30:331
274499240,23cyclictest0-21swapper/110:06:241
274499240,23cyclictest0-21swapper/108:15:371
274799230,22cyclictest0-21swapper/208:14:462
2744992321,2cyclictest0-21swapper/111:03:491
2744992319,3cyclictest0-21swapper/109:54:501
274499230,23cyclictest0-21swapper/111:40:491
274499230,23cyclictest0-21swapper/109:38:321
274499230,23cyclictest0-21swapper/107:44:191
274499230,22cyclictest0-21swapper/112:22:011
274499230,22cyclictest0-21swapper/110:40:381
2747992218,3cyclictest0-21swapper/211:18:462
2747992218,3cyclictest0-21swapper/208:41:162
274799221,20cyclictest0-21swapper/209:18:022
274799221,20cyclictest0-21swapper/208:58:442
274799221,20cyclictest0-21swapper/208:58:432
274799220,21cyclictest0-21swapper/212:38:362
274799220,21cyclictest0-21swapper/208:54:072
2744992219,3cyclictest0-21swapper/111:28:491
274499220,21cyclictest0-21swapper/112:30:211
274499220,21cyclictest0-21swapper/111:13:491
274499220,21cyclictest0-21swapper/110:57:051
274499220,21cyclictest0-21swapper/110:26:471
274499220,21cyclictest0-21swapper/107:27:071
2739992220,2cyclictest0-21swapper/009:32:500
2739992219,2cyclictest749-21snmpd11:43:300
274799210,3cyclictest0-21swapper/209:57:182
274799210,3cyclictest0-21swapper/208:21:342
274799210,20cyclictest0-21swapper/212:30:462
274799210,20cyclictest0-21swapper/212:21:312
274799210,20cyclictest0-21swapper/211:47:012
274799210,20cyclictest0-21swapper/211:30:242
274799210,20cyclictest0-21swapper/210:57:442
274799210,20cyclictest0-21swapper/210:03:442
274799210,20cyclictest0-21swapper/209:51:022
274799210,20cyclictest0-21swapper/208:31:162
2744992119,2cyclictest0-21swapper/108:35:161
2744992118,3cyclictest0-21swapper/112:02:301
274499210,20cyclictest0-21swapper/109:45:141
274499210,20cyclictest0-21swapper/108:01:461
274499210,20cyclictest0-21swapper/107:51:551
2739992119,1cyclictest749-21snmpd07:47:280
2739992118,2cyclictest749-21snmpd10:52:590
2739992118,2cyclictest749-21snmpd09:36:050
2739992118,2cyclictest749-21snmpd09:03:440
2739992118,2cyclictest749-21snmpd08:50:370
273999210,20cyclictest0-21swapper/007:30:100
273999210,15cyclictest0-21swapper/010:59:390
274799204,15cyclictest0-21swapper/210:23:452
2747992018,1cyclictest749-21snmpd12:27:282
2747992018,1cyclictest749-21snmpd12:27:272
2747992018,1cyclictest749-21snmpd08:15:192
2747992018,1cyclictest749-21snmpd08:03:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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